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jforbes pushed a commit to branch master
in repository kernel-tests.
commit 6c833111fb27727aa698253d5fe57d712128bafd
Author: Dave Jones <davej@xxxxxxxxxx>
Date: Tue Jun 12 12:47:17 2012 -0400
Check randomisation
---
default/paxtest/runtest.sh | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/default/paxtest/runtest.sh b/default/paxtest/runtest.sh
index 1f87001..4a4b075 100755
--- a/default/paxtest/runtest.sh
+++ b/default/paxtest/runtest.sh
@@ -11,6 +11,16 @@ check_kill()
fi
}
+check_bits()
+{
+ str="$1"
+ BITS=$(grep "$str" results.txt | sed -e "s/$str//" | sed s/:// | sed s/\ bits// | sed s/\(guessed\)// | sed s/\ //g);
+ if [ "$BITS" -lt "$2" ]; then
+ echo "$1 randomness is less than $2 bits ($BITS)"
+ exit -1
+ fi
+}
+
# Build.
make linux >/dev/null 2>/dev/null
if [ ! -f ./paxtest ]; then
@@ -53,6 +63,16 @@ if [ "$ARCH" == "x86_64" ]; then
check_kill "Return to function (memcpy)"
check_kill "Return to function (memcpy, PIE)"
+ check_bits "Anonymous mapping randomisation test" 28
+ check_bits "Heap randomisation test (ET_EXEC)" 14
+ check_bits "Heap randomisation test (PIE)" 28
+# check_bits "Main executable randomisation (ET_EXEC) : No randomisation
+ check_bits "Main executable randomisation (PIE)" 28
+# check_bits "Shared library randomisation test : No randomisation
+ check_bits "Stack randomisation test (SEGMEXEC)" 28
+ check_bits "Stack randomisation test (PAGEEXEC)" 28
+
+
else
echo FIXME: Unsupported ARCH: $(uname -m)
cat results.txt
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